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DR. ANNIE THU HANG NGUYEN M.D.
NPI 1205273059
Family Medicine - Sleep Medicine in Sacramento, CA

Active since June 03, 2013PECOS EnrolledAccepts Medicare Assignment
2351 STOCKTON BLVD., SACRAMENTO, CA 95817(916) 734-3565 Get Directions Write a Review

NPPES record last updated: May 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 29, 2026, Oct 18, 2022 (2 updates tracked since 2022).

About Dr. Annie Thu Hang Nguyen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ANNIE THU HANG NGUYEN M.D. (NPI 1205273059) is an individual sleep medicine provider in Sacramento, California, licensed in California (149070) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS and is a graduate of Virginia Commonwealth University, School Of Medicine (2011).

NPPES Registry Identity

NPI1205273059
Entity TypeIndividualFemale
Primary Taxonomy207QS1201X
Provider Legal NameDR. ANNIE THU HANG NGUYENCredential: M.D.
Location Address2351 STOCKTON BLVD.Sacramento, CA 95817
Mailing Address2351 Stockton Blvd.Sacramento, CA 95817
Phone(916) 734-3565
Sole ProprietorNo
Medical School CMSVirginia Commonwealth University, School Of MedicineGraduated 2011
Enumeration DateJune 3, 2013
Last NPPES UpdateMay 29, 20262 updates tracked since enumeration
NPPES CertifiedMay 29, 2026
✔ NPI 1205273059 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily Medicine · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QS1201X
License✔ Licensed in CA · 149070
Definition
A Family Medicine Physician who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
2351 STOCKTON BLVD., Sacramento, CA 95817
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Annie Thu Hang Nguyen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4082901384
PECOS Enrollment IDI20210527002096
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Annie Nguyen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Regents Of The University Of Ca
0.1 mi
Emergency Medicine
2315 STOCKTON BLVD
Sacramento, CA 95817
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Regents Of The Univ Of Ca
  • 2,570 clinicians in this Medicare group
NPI 1063405074 (916) 734-2363
Regents Of The University Of Ca
0.2 mi
Multi-Specialty
2221 STOCKTON BLVD
Sacramento, CA 95817
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Regents Of The University Of California
  • 918 clinicians in this Medicare group
NPI 1407836059 (916) 734-3556
Our Urgent Care, LLC
1,646 mi
Urgent Care
1111 W PEARCE BLVD
Wentzville, MO 63385
  • Reassigned Medicare billing, Missouri enrollment
  • 46 clinicians in this Medicare group
NPI 1902815863 (252) 813-9104

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95817 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$92.61 typical visit price
range $60.44 – $180.85
Typical copayment $23.15 (range $15.11 – $45.21)
Most-billed visit code 99203
Established Patient
$105.95 typical visit price
range $19.88 – $148.15
Typical copayment $26.48 (range $4.97 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Annie Nguyen's NPI number?

The NPI number for Annie Nguyen is 1205273059. It was assigned to this individual provider in the NPPES registry on June 3, 2013.

Where is Annie Nguyen located?

Annie Nguyen practices at 2351 Stockton Blvd., Sacramento, CA 95817. The listed phone number is (916) 734-3565.

What is Annie Nguyen's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Sleep Medicine, with taxonomy code 207QS1201X.

Is Annie Nguyen enrolled in Medicare?

Yes. Annie Nguyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Annie Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Annie Nguyen reassigns Medicare benefits to 3 organizations: Regents Of The University Of Ca (Sacramento, CA), Regents Of The University Of Ca (Sacramento, CA) and Our Urgent Care, LLC (Wentzville, MO). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Annie Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Annie Nguyen was last updated on May 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.